On 06.26, Diego Calleja García wrote:> El Sat, 26 Jun 2004 00:56:54 +0200 "J.A. Magallon" <jamagallon@able.es> escribió:> > > > I start /usr/lib/xscreensaver/glmatrix -fps, and the frame rate starts at> > 25 fps. In 30 seconds it has dropped to 6 fps. The app is still using > > the same cpu time (about 90% of one cpu on a dual xeon box with ht).> > For that particular screensaver, notice that glmatrix starts drawing nothing.> 30 seconds after the start there're lots of polygons so after 20 seconds> it needs more processing power. It happens exactly the same> but the difference is not so big, from 30fps to 24fps, perhaps> you didn't enabled DRI acceleration?

This is very strange.As I was logged in, gears gave aout 60 fps, and glmatrix degraded over time.I have logged out and in, and gears is back to its 750 fps (GeForce FX 5200)and glmatrix runs fine at a constant 30 fps rate (2.6.7-mm2+staircase).